Question

A ladder 37m long reaches a window which is 12m above the ground, on one side of the street.Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window at a height of 35m. Find the width of the street.​

Answer 1

Answer:

answer = 47

Step-by-step explanation:

The Ladder, the wall and the distance between the foot of the ladder and the foot of the wall makes a right angle triangle, with the right angle at foot of the wall.As per the above figure a = Wall = 12 M, c = Ladder = 37 M and b = the distance between the foot of the ladder and the foot of the wall = ?.

So as per Pythogoras thoerom:

Hypotenuse2= Base2+ Perpendicular2.

Base =√Hypotenuse2-Perpendicular2. =√372- 122=√1369 - 144 =√1225 = 35 M.

So the distance between the foot of the ladder and the foot of the wall = 35 M.

For the second case:

The Ladder, the wall and the distance between the foot of the ladder and the foot of the wall makes a right angle triangle, with the right angle at foot of the wall.As per the above figure AB= Wall = 35 M, AC = Ladder = 37 M and BC = the distance between the foot of the ladder and the foot of the wall = ?.

So as per Pythogoras thoerom:

Hypotenuse2= Base2+ Perpendicular2.

Base =√Hypotenuse2-Perpendicular2. =√372- 352=√1369 - 1225 =√144 = 12 M.

So the distance between the foot of the ladder and the foot of the wall = 12 M.

So the width of the road = 35 + 12 = 47 M.

Ans: 47 mtrs.

Answer 2

Answer:

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